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Indoor Blower Test
To indoor blower test mode, push
and hold button next to single
character LED display until
(Solid bar), then release button.
(Solid bar) starts blinking .
Control will cycle the indoor blower motor for ten seconds at 70% of maximum air for selected capacity size unit.
Control will indoor blower test mode.
Checkout Procedures
NOTE − Refer to outdoor unit installation instructions for
system start−up instructions and refrigerant charging
instructions.
PRE-START-UP CHECKS
S
Is the air handler properly and securely installed?
S
If horizontally configured, is the unit sloped up to 1/4
inch toward drain lines?
S
Will the unit be accessible for servicing?
S
Has an auxiliary pan been provided under the unit with
separate drain for units installed above a finished
ceiling or in any installation where condensate
overflow could cause damage?
S
Have ALL unused drain pan ports been properly
plugged?
S
Has the condensate line been properly sized, run,
trapped, pitched, and tested?
S
Is the duct system correctly sized, run, sealed, and
insulated?
Indoor Blower Test Mode
AHC in Idle Mode
(No heating cooling or indoor
Yes
_
_
Page 36
fan operation)
Push and hold button until the
solid A symbol is displayed on the
single character LED display, then
release button.
S
Have all cabinet openings and wiring been sealed?
S
Is the indoor coil factory-installed TXV properly sized
for the outdoor unit being used?
S
Have all unused parts and packaging been disposed
of?
S
Is the filter clean, in place, and of adequate size?
S
Is the wiring neat, correct, and in accordance with the
wiring diagram?
S
Is the unit properly grounded and protected (fused)?
S
Is the thermostat correctly wired and in a good
location?
S
Are all access panels in place and secure?
CHECK BLOWER OPERATION
S
Set thermostat to FAN ON.
S
The indoor blower should come on.
CHECK COOLING OPERATION
S
Set
thermostat
(approximately 5ºF lower than the indoor ambient
temperature).
No
Turn room thermostat to
OFF
A
to
force
a
call
for
cooling
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